Water-responsive shape memory thermoplastic polyurethane scaffolds triggered at body temperature for bone defect repair
Cijun Shuai, Zhicheng Wang, Shuping Peng, Shuai Yang, Yanwen Chen, Da Zeng, Pei Feng
Abstract
The water-responsive shape memory mechanism model of a TPU specimen was proposed, in which the reversible hydrogen bonding between the water molecules and hard segments formed after wetting and disappeared after drying.
Topics & Concepts
Materials scienceThermoplastic polyurethaneWettingShape-memory alloyComposite materialPolyurethaneThermoplasticHydrogen bondShape-memory polymerMoleculeChemistryElastomerOrganic chemistryPolymer composites and self-healingMarine Sponges and Natural ProductsPhotochromic and Fluorescence Chemistry